/* 颜色变量由 themes.js 注入到 :root；皮肤由 body[data-skin] 决定结构质感。 */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f5f8ff; --surface: #fff; --surface-2: #eef2fb;
  --text: #1a2233; --text-dim: #7a869c;
  --accent: #3b6cff; --accent-soft: #dbe6ff; --on-accent: #fff;
  --border: #e6ecf7; --nm-light: #ffffff; --nm-dark: #c8ccd4;
  --radius: 18px;
}

html, body { height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg); color: var(--text);
  transition: background .35s ease, color .35s ease;
  padding-bottom: 40px;
}
.hidden { display: none !important; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; background: var(--bg);
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: 1px; white-space: nowrap; }
.search-wrap { flex: 1; }
#search {
  width: 100%; border: none; outline: none;
  padding: 11px 16px; border-radius: 999px;
  background: var(--surface-2); color: var(--text); font-size: 15px;
}
.top-actions { display: flex; gap: 8px; }

/* ---------- 通用按钮 ---------- */
.btn {
  border: none; cursor: pointer; font-size: 15px;
  padding: 9px 16px; border-radius: 12px;
  background: var(--surface-2); color: var(--text);
  transition: transform .1s ease, box-shadow .2s ease, background .2s ease;
}
.btn:active { transform: scale(.95); }
.btn-accent { background: var(--accent); color: var(--on-accent); }
.top-actions .btn { width: 42px; height: 42px; padding: 0; border-radius: 50%; font-size: 18px; }

/* ---------- 视图切换 ---------- */
.tabs {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 16px 12px; flex-wrap: wrap;
}
.tab {
  border: none; cursor: pointer; background: transparent; color: var(--text-dim);
  padding: 7px 14px; border-radius: 999px; font-size: 14px;
}
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tab-spacer { flex: 1; }
.mini-select {
  border: none; background: var(--surface-2); color: var(--text);
  padding: 7px 10px; border-radius: 10px; font-size: 13px; outline: none;
}

/* ---------- 卡片网格 ---------- */
.cards {
  display: grid; gap: 14px; padding: 0 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .cards { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .cards { grid-template-columns: 1fr 1fr 1fr; } }

.card {
  background: var(--surface); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .15s ease, box-shadow .25s ease;
}
.card-content { font-size: 15px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
.card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-time { font-size: 12px; color: var(--text-dim); }
.card-acts { display: flex; gap: 6px; }
.icon-btn {
  border: none; cursor: pointer; background: var(--surface-2); color: var(--text-dim);
  width: 32px; height: 32px; border-radius: 9px; font-size: 14px;
}
.icon-btn:active { transform: scale(.9); }

/* 类型徽章 */
.badge {
  font-size: 12px; padding: 3px 9px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-weight: 600;
}
.badge.nature-fact { background: transparent; border: 1px dashed var(--text-dim); color: var(--text-dim); }

/* 重要度：5 个点 */
.imp { display: inline-flex; gap: 3px; align-items: center; }
.imp .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--border); }
.imp .dot.on { background: var(--accent); }

/* 情绪：表情 + 强度光环 */
.emotion { position: relative; width: 30px; height: 30px; display: grid; place-items: center; font-size: 18px; }
.emotion .halo {
  position: absolute; inset: -3px; border-radius: 50%;
  border: 2px solid var(--accent); opacity: var(--arousal, 0);
  box-shadow: 0 0 calc(var(--arousal, 0) * 10px) var(--accent);
}

/* ---------- 弹层 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,.4); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 16px;
}
.modal-card {
  width: 100%; max-width: 460px; max-height: 88vh; overflow-y: auto;
  background: var(--surface); border-radius: var(--radius); padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
}
.modal-card h3 { font-size: 17px; }
.modal-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
.modal-card input, .modal-card textarea, .modal-card select {
  border: none; outline: none; font-size: 15px; font-family: inherit;
  padding: 10px 12px; border-radius: 10px; background: var(--surface-2); color: var(--text);
}
.modal-card textarea { resize: vertical; }
.row { display: flex; gap: 12px; }
.row > label { flex: 1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.hint { font-size: 12px; color: var(--text-dim); }

/* 设置 */
.setting-block { display: flex; flex-direction: column; gap: 10px; padding: 6px 0; border-top: 1px solid var(--border); }
.setting-label { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.theme-list { display: flex; flex-direction: column; gap: 8px; }
.theme-item {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 10px 12px; border-radius: 12px; background: var(--surface-2);
}
.theme-item.active { outline: 2px solid var(--accent); }
.theme-swatch { width: 22px; height: 22px; border-radius: 7px; flex-shrink: 0; }
.theme-name { flex: 1; font-size: 14px; }
.theme-del { border: none; background: transparent; color: var(--text-dim); cursor: pointer; font-size: 13px; }
.seg { display: flex; gap: 6px; }
.seg-btn { flex: 1; border: none; cursor: pointer; padding: 9px; border-radius: 10px; background: var(--surface-2); color: var(--text-dim); }
.seg-btn.active { background: var(--accent); color: var(--on-accent); }

.empty { text-align: center; color: var(--text-dim); padding: 60px 16px; }
.loadmore-wrap { text-align: center; padding: 20px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px;
  font-size: 14px; z-index: 99; opacity: .95;
}

/* =================== 皮肤 A：flat 无框简约 =================== */
body[data-skin="flat"] .card { border: 1px solid var(--border); box-shadow: 0 2px 10px rgba(20,40,90,.04); }
body[data-skin="flat"] .card:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(20,40,90,.08); }

/* =================== 皮肤 B：neumorph 轻拟态 =================== */
body[data-skin="neumorph"] { --radius: 22px; }
body[data-skin="neumorph"] #search,
body[data-skin="neumorph"] .btn,
body[data-skin="neumorph"] .mini-select,
body[data-skin="neumorph"] .icon-btn,
body[data-skin="neumorph"] .modal-card input,
body[data-skin="neumorph"] .modal-card textarea,
body[data-skin="neumorph"] .modal-card select,
body[data-skin="neumorph"] .theme-item,
body[data-skin="neumorph"] .seg-btn {
  background: var(--surface);
  box-shadow: inset 3px 3px 7px var(--nm-dark), inset -3px -3px 7px var(--nm-light);
}
body[data-skin="neumorph"] .card {
  border: none;
  box-shadow: 7px 7px 16px var(--nm-dark), -7px -7px 16px var(--nm-light);
}
body[data-skin="neumorph"] .card:hover { transform: translateY(-2px); }
body[data-skin="neumorph"] .btn-accent,
body[data-skin="neumorph"] .seg-btn.active {
  background: var(--accent); box-shadow: 4px 4px 10px var(--nm-dark), -4px -4px 10px var(--nm-light);
}
body[data-skin="neumorph"] .modal-card {
  box-shadow: 8px 8px 20px var(--nm-dark), -8px -8px 20px var(--nm-light);
}